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From "Paulo Motta (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-12489) consecutive repairs of same range always finds 'out of sync' in sane cluster
Date Mon, 12 Sep 2016 14:50:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paulo Motta updated CASSANDRA-12489:
------------------------------------
    Labels: lhf  (was: )

> consecutive repairs of same range always finds 'out of sync' in sane cluster
> ----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12489
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12489
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Streaming and Messaging
>            Reporter: Benjamin Roth
>              Labels: lhf
>         Attachments: trace_3_10.1.log.gz, trace_3_10.2.log.gz, trace_3_10.3.log.gz, trace_3_10.4.log.gz,
trace_3_9.1.log.gz, trace_3_9.2.log.gz
>
>
> No matter how often or when I run the same subrange repair, it ALWAYS tells me that some
ranges are our of sync. Tested in 3.9 + 3.10 (git trunk of 2016-08-17). The cluster is sane.
All nodes are up, cluster is not overloaded.
> I guess this is not a desired behaviour. I'd expect that a repair does what it says and
a consecutive repair shouldn't report "out of syncs" any more if the cluster is sane.
> Especially for tables with MVs that puts a lot of pressure during repair as ranges are
repaired over and over again.
> See traces of different runs attached.



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